Cast member Bradley Cooper poses at the premiere of "The Hangover Part III" at the Westwood Village theatre in Los Angeles, California May 20, 2013. The movie opens in the U.S. on May 23. ... more 

Cast member Bradley Cooper poses at the premiere of "The Hangover Part III" at the Westwood Village theatre in Los Angeles, California May 20, 2013. The movie opens in the U.S. on May 23. REUTERS/Mario Anzuoni less